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553 Kundry (A904 YA)
Classification: Main-belt Asteroid          SPK-ID: 2000553
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093208212226886 3.0209e-08  
a 2.23166139846608 5.6051e-09 au
q 1.987694341694794 6.9304e-08 au
i 5.386848717127271 3.1121e-06 deg
node 72.36317447454044 3.9521e-05 deg
peri 354.6174499537456 4.3445e-05 deg
M 244.9752706436813 1.8819e-05 deg
tp 2459389.571660330127
(2021-Jun-24.07166033)
6.4024e-05 TDB
period 1217.701606451566
3.33
4.5876e-06
1.256e-08
d
yr
n .2956389300077015 1.1138e-09 deg/d
Q 2.475628455237365 6.2178e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2890  
   data-arc span      42328 days (115.89 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:25  

Additional Information
 Earth MOID = 1.00165 au 
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096829754633863 3.0296e-08  
q 1.986086306160062 6.9516e-08 au
tp 2456955.175710280112
(2014-Oct-24.67571028)
6.1786e-05 TDB
node 72.41404998604035 3.9487e-05 deg
peri 354.6281604330679 4.3371e-05 deg
i 5.389955968885356 3.1138e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2890  
   data-arc span      42328 days (115.89 yr)  
   first obs. used      1904-12-27  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .37835  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 01:54:25  

Additional Information
 Jupiter MOID = 2.76471 au 
 T_jup = 3.628 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.178547913708697E-16 -2.101415399782612E-15 -3.887780702747451E-13 5.320828190344371E-15 -1.069817386343577E-13 -1.168486889094135E-16
q -2.101415399782612E-15 4.832512539721187E-15 9.027199013658651E-13 -1.229456537218919E-14 2.483697600439596E-13 3.331832977392109E-16
tp -3.887780702747451E-13 9.027199013658651E-13 3.817496964058775E-9 -1.370897299351614E-11 1.122691348624144E-9 1.373778882378822E-12
node 5.320828190344371E-15 -1.229456537218919E-14 -1.370897299351614E-11 1.55923166429334E-9 -1.555912153150042E-9 -9.900269137604584E-12
peri -1.069817386343577E-13 2.483697600439596E-13 1.122691348624144E-9 -1.555912153150042E-9 1.881043653070418E-9 1.026029959357842E-11
i -1.168486889094135E-16 3.331832977392109E-16 1.373778882378822E-12 -9.900269137604584E-12 1.026029959357842E-11 9.695810703290511E-12

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.2   n/a MPO384749  
diameter diameter 9.010 km 0.099 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 12.605 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Stephens, R.D. (2005) Minor Planet Bull. 32, 66-68.]
[Behrend, R. (2009) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Behrend, R. (2012) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Hanus, J.; Broz, M.; Durech, J.; Warner, B.D.; et al. (2013) Astron. Astrophys. 559, A134.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.287   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

553 Kundry (A904 YA)          Discovered 1904-Dec-27 by Wolf, M. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 A904 YA = 1932 CL = 1957 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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